CN112301185A

CN112301185A - Furnace cover of ladle furnace body

Info

Publication number: CN112301185A
Application number: CN201910673518.4A
Authority: CN
Inventors: 叶玲玲
Original assignee: Dong'an Liaoyuan Metallurgy Co ltd
Current assignee: Dong'an Liaoyuan Metallurgy Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2021-02-02

Abstract

The embodiment of the application discloses ladle furnace body's bell, including last lid, water cooling plant and apron plate, apron plate and last lid body coupling, the top surface of going up the lid is provided with the electrode hole, and the vertical extension of electrode hole is until running through the apron plate, and water cooling plant includes the passageway, and the passageway setting is in last lid to spiral around the electrode hole week side. The furnace cover of the ladle furnace body has the advantage of good cooling effect.

Description

Furnace cover of ladle furnace body

Technical Field

The embodiment of the application relates to metal smelting, in particular to a furnace cover of a ladle furnace body.

Background

In the prior art, a ladle refining furnace is a device with the heating and refining functions of a steel furnace. The refining furnace is an important metallurgical device which is used for refining molten steel melted in a primary smelting furnace, can adjust the temperature of the molten steel, has process buffering and meets the requirements of continuous casting and continuous rolling. The existing ladle refining furnace is generally divided into a furnace body and a furnace cover, an electrode is adopted in the furnace body to heat molten steel, and the electrode generates heat generally seriously due to high power, so that the temperature of the furnace cover rises, and further the construction safety is influenced.

Disclosure of Invention

The technical problem to be solved by the embodiment of the application is to provide the furnace cover of the ladle furnace body, and the cooling effect is good.

The embodiment of the application is realized by the following technical scheme:

the utility model provides a ladle furnace body's bell, includes upper cover body, water cooling plant and apron plate, the apron plate with upper cover body an organic whole is connected, the top surface of upper cover body is provided with the electrode hole, the vertical extension of electrode hole is up to running through the apron plate, water cooling plant includes the passageway, the passageway sets up in the upper cover body to spiral around the electrode hole week.

Further, the bottom of the cover bottom plate is provided with a groove.

Further, the surface of the groove is provided with a heat-resistant coating.

Further, the channel spirals along the inside of the upper cover body, and the electrode hole is positioned at the geometric center of the channel spiral line.

Further, the liquid inlet is lower than the liquid outlet in level.

Further, water cooling plant includes circulating pump and radiator, the both ends of circulating pump are connected respectively the inlet and the liquid outlet of passageway, the radiator sets up in arbitrary one side of circulating pump.

The beneficial effects are that:

compared with the prior art, the bell of ladle furnace body of this application embodiment includes the lid through the setting, water cooling plant and apron board, apron board and last lid body coupling, the apron board is used for directly covering on the furnace body, the top surface of going up the lid is provided with the electrode hole, the vertical extension of electrode hole is until running through the apron board, conveniently let in the electrode and stretch into in the furnace body, water cooling plant includes the passageway, the passageway sets up in the upper cover body, let in the cooling of coolant liquid in order to realize circling the upper cover body in the passageway, the passageway should be made the cooling effectual in electrode hole week side.

Drawings

The following detailed description of embodiments of the present application is provided in conjunction with the appended drawings, wherein:

fig. 1 is a schematic structural view of a furnace cover of a ladle furnace body according to an embodiment of the present application.

Detailed Description

In order to make those skilled in the art better understand the technical solutions of the embodiments of the present application, the embodiments of the present application are described in detail below with reference to the drawings, and the description in this section is only exemplary and explanatory, and should not have any limiting effect on the scope of the embodiments of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientation or positional relationship shown in fig. 1 or the orientation or positional relationship that a product of the embodiment of the present application is usually placed when in use, which are only used for convenience of describing the embodiment of the present application and simplifying the description, but do not indicate or imply that the device or element to be referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the embodiment of the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, a ladle furnace cover, including upper cover body 1, water cooling device 2 and cover bottom plate 3, cover bottom plate 3 and upper cover body 1 body coupling, cover bottom plate 3 is used for directly covering on the furnace body (not marked in the figure), the top surface of upper cover body 1 is provided with electrode hole 11, electrode hole 11 vertical extension until running through cover bottom plate 3, conveniently let in the electrode and stretch into in the furnace body, water cooling device 2 includes passageway 21, passageway 21 sets up in upper cover body 1, let in the coolant liquid in passageway 21, for example, water or conduction oil, in order to realize the cooling to upper cover body 1, passageway 21 should spiral at electrode hole 11 week side so that the cooling is effectual.

In a possible embodiment, as shown in fig. 1, the bottom of the cover bottom plate 3 is provided with a groove 31 to facilitate the sealing with a furnace body (not shown); a heat-resistant coating 311 may be provided on the surface of the recess 31 to provide a long service life of the cover chassis 3.

In a possible embodiment, as shown in fig. 1, the channel 21 spirals along the inside of the upper cover 1, and the electrode hole 11 is located at the geometric center of the spiral line of the channel 21, so as to reduce the temperature of the electrode in the electrode hole 11 to the maximum extent, thereby ensuring that the temperature of the upper cover 1 is not too high.

One possible implementation manner, as shown in fig. 1, the water cooling device 2 further includes a circulation pump 22 and a radiator 23, two ends of the circulation pump 22 are respectively connected to the liquid inlet 211 and the liquid outlet 212 of the channel 21, the radiator 23 is disposed on any side of the circulation pump 22, the circulation pump 22 drives the cooling liquid to flow in the channel 21 to absorb heat in the upper cover body 1, and the cooling liquid is cooled by the radiator 23 and then enters the channel 21 through the liquid inlet 211 again, so as to implement the refrigeration cycle. The radiator 23 may be a plate radiator, and has good heat dissipation performance, stability, and low cost.

In one possible embodiment, as shown in fig. 1, the liquid inlet 211 has a lower level than the liquid outlet 212, the cooling liquid with a lower temperature enters from the lower side, and the cooling liquid with a higher temperature flows out from the upper side, so that the temperature is more uniform.

The above embodiments are only used for illustrating the technical solutions of the present application and not for limiting the same, and any modification or equivalent replacement without departing from the spirit and scope of the embodiments of the present application should be covered within the technical solutions of the present application.

Claims

1. The utility model provides a bell of ladle furnace body which characterized in that: including last lid (1), water cooling plant (2) and lid bottom plate (3), lid bottom plate (3) with go up lid (1) a body coupling, the top surface of going up lid (1) is provided with electrode hole (11), the vertical extension of electrode hole (11) is up to running through lid bottom plate (3), water cooling plant (2) include passageway (21), passageway (21) set up go up in lid (1) to spiral in electrode hole (11) week side.

2. The roof of claim 1, wherein: the bottom of the cover bottom plate (3) is provided with a groove (31).

3. The roof of claim 2, wherein: the surface of the groove (31) is provided with a heat-resistant coating.

4. The roof of any one of claims 1 to 3, wherein: the channel (21) is spirally arranged in the upper cover body (1), and the electrode hole (11) is positioned at the geometric center of the spiral line of the channel (21).

5. The roof of any one of claims 1 to 3, wherein: the water cooling device (2) comprises a circulating pump (22) and a radiator (23), two ends of the circulating pump (22) are respectively connected with a liquid inlet (211) and a liquid outlet (212) of the channel (21), and the radiator (23) is arranged on any side of the circulating pump (22).

6. The roof of claim 5, wherein: the liquid inlet (211) is lower than the liquid outlet (212).